http://dewey.info/scheme/a14/ en
502 Miscellany
502.8 Auxiliary techniques and procedures; apparatus, equipment, materials
http://dewey.info/scheme/a14/ vi
502 Tài liệu hỗn hợp
502.8 Kỹ thuật và quy trình phụ trợ; máy móc, thiết bị, vật liệu
http://dewey.info/scheme/a14/ it
502 Miscellanea
502.8 Tecniche e procedure ausiliarie; apparecchi, attrezzature, materiali
http://dewey.info/scheme/edition/e23/ en
502 Miscellany
502.8 Auxiliary techniques and procedures; apparatus, equipment, materials
502.82 Microscopy 502.84 Apparatus, equipment, materials 502.85 Science--computer applications
http://dewey.info/scheme/edition/e22/ de
502 Verschiedenes
502.8 Unterstützende Techniken und Verfahren; Geräte, Ausstattung, Materialien
502.82 Mikroskopie
Dewey Decimal Classification
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